A Phase 1, dose determining study of EXS73565 in participants with relapsed or refractory B‑cell malignancies.

2024-516869-36-00 Protocol EXS73565-001 Human pharmacology (Phase I) - First administration to humans Authorised, recruiting

Start 17 Feb 2025 · Status Authorised, recruiting · 5 EU/EEA countries · 17 sites · Protocol EXS73565-001

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Authorised, recruiting
Participants planned 186
Countries 5
Sites 17

Relapsed or refractory B-cell malignancies: chronic lymphocytic leukemia (CLL), including RT (Richter’s Transformation) from CLL, mantle-cell lymphoma (MCL), diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL), marginal zone lymphoma (MZL)

Key facts

Sponsor
Exscientia AI Limited
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Hemic and Lymphatic Diseases [C15]
Trial duration
17 Feb 2025 → ongoing
Decision date (initial)
2026-05-11
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Relapsed or refractory B-cell malignancies: chronic lymphocytic leukemia (CLL), including RT (Richter’s Transformation) from CLL, mantle-cell lymphoma (MCL), diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL), marginal zone lymphoma (MZL)

VersionLevelCodeTermSystem organ class
21.1 LLT 10008978 Chronic lymphocytic leukemia refractory 10029104
20.0 PT 10076596 Marginal zone lymphoma 100000004864
21.0 PT 10012822 Diffuse large B-cell lymphoma refractory 100000004864
21.0 PT 10012818 Diffuse large B-cell lymphoma 100000004864
21.1 PT 10026801 Mantle cell lymphoma refractory 100000004864
21.0 LLT 10008976 Chronic lymphocytic leukemia 10029104
21.1 PT 10077533 Marginal zone lymphoma recurrent 100000004864
27.0 PT 10085128 Follicular lymphoma 100000004864
20.0 PT 10058728 Richter's syndrome 100000004864
20.0 PT 10077534 Marginal zone lymphoma refractory 100000004864
21.0 PT 10026800 Mantle cell lymphoma recurrent 100000004864

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Exscientia AI Limited

Sponsor organisation
Exscientia AI Limited
Address
Level 3, 5 West Victoria Dock Road, 1 River Crescent 5 West Victoria Dock Road 1 River Crescent
City
Dundee
Postcode
DD2 1UJ
Country
United Kingdom

Scientific contact point

Organisation
Exscientia AI Limited
Contact name
Clinical Trial Information Desk

Public contact point

Organisation
Exscientia AI Limited
Contact name
Clinical Trial Information Desk

Locations

5 EU/EEA countries · 17 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Authorised, recruitment pending 20 3
Greece Authorised, recruitment pending 16 3
Poland Authorised, recruitment pending 20 4
Romania Authorised, recruitment pending 30 2
Spain Ongoing, recruiting 15 5
Rest of world
United Kingdom
85

Investigational sites

France

3 sites · Authorised, recruitment pending
Centre Hospitalier Universitaire De Nantes
Service d’Hématologie, 1 Place Alexis Ricordeau, 44000, Nantes
Centre Hospitalier Regional De Marseille
Centre d'Essais Précoces en Cancérologie de Marseille, 264 Rue Saint Pierre, 13005, Marseille
Institut Bergonie
Service d’Hématologie, 180 R De Saint Genes, 229 Cours De L Argonne, Bordeaux

Greece

3 sites · Authorised, recruitment pending
General University Hospital Of Patras
Hematology Department/Bone Marrow Transplantation Unit, Department of Internal Medicine, Rio, 265 04, Patras
Geniko Nosokomeio Thessalonikis George Papanikolaou
Hematology Clinic, Exochi, 570 10, Thessaloniki
Laiko General Hospital Of Athens
Department of Haematology and Bone Marrow Transplantation Unit, Agiou Thoma (goudi) 17, 115 27, Athens

Poland

4 sites · Authorised, recruitment pending
Aidport Sp. z o.o.
n/a, Ul Ksiedza Stanisława Kozierowskiego 24, 60-185, Skorzewo
PRATIA MCM Kraków
n/a, ul. Pana Tadeusza 2, 30-727, Kraków
Uniwersytecki Szpital Kliniczny Nr 4 W Lublinie
Oddział Wieloprofilowy Zachowawczy, Ul. Dra Kazimierza Jaczewskiego 8, 20-090, Lublin
Wojewodzkie Wielospecjalistyczne Centrum Onkologii I Traumatologii Im M.Kopernika W Lodzi
Oddział Hematologii Ogólnej i Chorób Wewnętrznych, Ul. Pabianicka 62, 93-513, Lodz

Romania

2 sites · Authorised, recruitment pending
Institute Of Oncology Prof. Dr. Ion Chiricuta Cluj-Napoca
ARENSIA Exploratory Medicine SRL in collaboration with ”Prof.Dr.Ion Chiricuta” Institute of Oncology, Strada Republicii 34-36, 400015, Cluj-Napoca
Arensia Clinics S.R.L.
ARENSIA Exploratory Medicine S.R.L in collaboration with ARENSIA Clinics SRL, Intrarea Tudor Stefan 38-40, 011658, Bucharest

Spain

5 sites · Ongoing, recruiting
Hospital Universitario Fundacion Jimenez Diaz
Hematology, Avenida De Los Reyes Catolicos 2, 28040, Madrid
Hospital Beata Maria Ana
Hematology, Calle Del Doctor Esquerdo No. 83, 28007, Madrid
Clinica Universidad De Navarra
Hematology, Pio XII Etorbidea 36, 31008, Pamplona
Hospital Universitario Hm Sanchinarro
Hematology, Calle Ona 10, 28050, Madrid
MD Anderson Cancer Center
Hematology, Calle De Arturo Soria Nº 270, 28033, Madrid

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Spain 2025-02-17 2025-03-31

Application history

12 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-10-17 Spain Acceptable
2025-01-23
2025-01-23
2 NON SUBSTANTIAL MODIFICATION NSM-1 2025-03-21 Spain Acceptable
2025-01-23
2025-03-21
3 SUBSTANTIAL MODIFICATION SM-1 2025-03-21 Spain Acceptable 2025-04-15
4 NON SUBSTANTIAL MODIFICATION NSM-3 2025-05-20 Spain Acceptable 2025-05-20
5 NON SUBSTANTIAL MODIFICATION NSM-4 2025-06-16 Spain Acceptable 2025-06-16
6 NON SUBSTANTIAL MODIFICATION NSM-5 2025-07-21 Spain Acceptable 2025-07-21
7 SUBSTANTIAL MODIFICATION SM-3 2025-09-26 Spain Acceptable
2025-12-01
2026-01-11
8 SUBSEQUENT ADDITION OF MSC APP-8 2026-02-17 2026-04-27
9 SUBSEQUENT ADDITION OF MSC APP-9 2026-02-18 2026-05-11
10 SUBSEQUENT ADDITION OF MSC APP-10 2026-02-18 2026-05-18
11 SUBSEQUENT ADDITION OF MSC APP-11 2026-02-18 Acceptable
2025-12-01
2026-05-15
12 SUBSTANTIAL MODIFICATION SM-4 2026-02-18 Spain Acceptable 2026-03-04